Supply Trading Manager - Olefins

An exciting career awaits you

At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.

Position Summary

The Supply Trading Manager – Olefins is a senior commercial leadership role within the Natural Gas / NGL / Petrochemicals Value Chain, reporting to the Petrochemicals Supply & Trading Director. This position provides strategic and commercial leadership across the Olefins value chain, overseeing integrated supply, trading, and customer-facing activities to optimize value, manage risk, and ensure disciplined execution in increasingly complex and dynamic markets. The role strengthens strategic focus, market insight, and alignment across the value chain.

The manager leads a team of 3–4 professionals and has direct commercial responsibility for MPC’s entire propylene, off-gas, and light ends cracker feedstock portfolio. Through deep market expertise, proactive customer engagement, and strong commercial execution, the role drives margin optimization, revenue growth, and risk mitigation while developing future commercial leaders. This position plays a critical role in advancing EBITDA opportunities, expanding market optionality, and reinforcing the company’s position as a leading petrochemical supplier and marketer.

Key Responsibilities

• Lead supply and trading teams to ensure efficient commodity movement, strong execution, and value chain optimization.

• Collaborate on hedging strategies with Trading to manage inventory and price exposure.

• Drive customer-focused strategies ensuring responsive service and compliance with all contractual obligations.

• Manage strategic customer relationships, identifying leverage and optionality for future negotiations.

• Maintain deep market expertise on product characteristics, global supply-demand balances, and trade flows.

• Monitor competitors and market activity to identify emerging risks and opportunities.

• Oversee accurate accounting and transaction closeouts, ensuring timely system updates and compliance.

• Execute agreements aligned with credit and risk policies, and review contracts with Legal for governance.

• Develop and refine marketing strategies, pursuing initiatives for diversification and margin expansion.

• Support long-term strategic planning through SWOT analyses, scenario planning, and collaboration on growth opportunities.

Education and Experience

• Bachelor’s degree required.

• Ten (10) or more years of experience in trading and/or commercial support or related within the energy industry required.

Skills

Authentic Communicator

Business Acumen

Business Analysis

Continuous Improvement Mindset

Energizing the Organization

Entrepreneurship

Negotiation

Ongoing Learning & Self-Development

Results Driven

Selecting and Developing People

Strategic Outlook

Location: Findlay, OH or Houston, TX

Relocation: Yes

Estimated Travel: 20-30%

As an energy industry leader, our career opportunities fuel personal and professional growth.

Location:

Findlay, Ohio

Additional locations:

Houston, Texas

Job Requisition ID:

00019985

Location Address:

539 S Main St

Education:

Employee Group:

Full time

Employee Subgroup:

Regular

Marathon Petroleum Company LP is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without discrimination on the basis of race, color, religion, creed, sex, gender (including pregnancy, childbirth, breastfeeding or related medical conditions), sexual orientation, gender identity, gender expression, reproductive health decision-making, age, mental or physical disability, medical condition or AIDS/HIV status, ancestry, national origin, genetic information, military, veteran status, marital status, citizenship or any other status protected by applicable federal, state, or local laws. If you would like more information about your EEO rights as an applicant,

click here

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If you need a reasonable accommodation for any part of the application process at Marathon Petroleum LP, please contact our Human Resources Department at

[email protected]

. Please specify the reasonable accommodation you are requesting, along with the job posting number in which you may be interested. A Human Resources representative will review your request and contact you to discuss a reasonable accommodation. Marathon Petroleum offers a total rewards program which includes, but is not limited to, access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement. Detailed benefit information is available at .The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.


Equal Opportunity Employer: Veteran / Disability

We will consider all qualified Applicants for employment, including those with arrest or conviction records, in a manner consistent with the requirements of applicable state and local laws. In reviewing criminal history in connection with a conditional offer of employment, Marathon will consider the key responsibilities of the role.